Home / 107,802.04-147,689.33-103,761.71

Finding the Fourth Proportional to 107,802.04, 147,689.33 and 103,761.71

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Solution

The fourth proportional to 107,802.04, 147,689.33 and 103,761.71 is: 142,154.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,802.04 : 147,689.33 = 103,761.71 : x
  2. Step 2: Convert to fraction form
    107,802.04/147,689.33 = 103,761.71/x
  3. Step 3: Cross multiply
    107,802.04x = 147,689.33 × 103,761.71
  4. Step 4: Simplify right side
    107,802.04x = 15,324,497,429.55
  5. Step 5: Solve for x
    x = 15,324,497,429.55/107,802.04
  6. Step 6: Final answer
    x = 142,154.06

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.